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Finding the Fourth Proportional to 7,001.70, 10,491.21 and 3,295.14

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Solution

The fourth proportional to 7,001.70, 10,491.21 and 3,295.14 is: 4,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.70 : 10,491.21 = 3,295.14 : x
  2. Step 2: Convert to fraction form
    7,001.70/10,491.21 = 3,295.14/x
  3. Step 3: Cross multiply
    7,001.70x = 10,491.21 × 3,295.14
  4. Step 4: Simplify right side
    7,001.70x = 34,570,005.72
  5. Step 5: Solve for x
    x = 34,570,005.72/7,001.70
  6. Step 6: Final answer
    x = 4,937.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.